Control system, mobile object, computer-readable storage medium, and control method

Abstract

Provided is a control system, including: a power source control unit for controlling a power source included in a mobile object; a mobile object control unit for controlling the mobile object; and an update control unit for receiving an update program of the power source control unit and the mobile object control unit, and transmitting the update program to one of the power source control unit and the mobile object control unit to be updated by the update program, wherein the power source control unit includes a first storage area to be updated and a second storage area not to be updated by the update program, and the power source control unit includes, in the second storage area, first control information for causing the power source to supply power in a case where the first storage area is updated by the update program transmitted from the update control unit.

What is claimed is: 
     
       1. A control system comprising:
 a power source control unit configured to control a power source included in a mobile object; 
 a mobile object control unit configured to control the mobile object; and 
 an update control unit configured to receive an update program of the power source control unit and the mobile object control unit, and transmit the update program to one of the power source control unit and the mobile object control unit to be updated by the update program, wherein 
 the power source control unit includes a first storage area to be updated by the update program and a second storage area not to be updated by the update program, and 
 the power source control unit includes, in the second storage area, first control information for causing the power source to supply power in a case where the first storage area is updated by the update program transmitted from the update control unit. 
 
     
     
       2. The control system according to  claim 1 , wherein
 the second storage area is a storage area including a boot program for booting the power source control unit. 
 
     
     
       3. The control system according to  claim 1 , wherein
 the second storage area is configured to store a write program for writing the update program transmitted from the update control unit to the first storage area. 
 
     
     
       4. The control system according to  claim 1 , wherein
 the first storage area is a storage area configured to store control information for controlling the power source in a case where the mobile object is moving. 
 
     
     
       5. The control system according to  claim 4 , wherein
 the power source control unit does not have a storage area for storing control information for controlling the power source in a case where the mobile object is moving, other than the first storage area. 
 
     
     
       6. The control system according to  claim 5 , wherein
 the first storage area is a storage area that is not rewritten in a case where the power source control unit operates according to information stored in the first storage area. 
 
     
     
       7. The control system according to  claim 1 , wherein
 the first storage area includes second control information for causing the power source to supply power after the power source control unit is booted, and 
 the power source control unit is configured to
 cause the power source to supply power in accordance with the second control information in a case where the mobile object control unit is updated by the update program, and 
 cause the power source to supply power in accordance with the first control information in a case where the first storage area included in the power source control unit is updated by the update program. 
 
 
     
     
       8. The control system according to  claim 1 , wherein
 the update control unit is configured to receive the update program in a case where movement control of the mobile object is not performed. 
 
     
     
       9. The control system according to  claim 1 , wherein
 the power source includes a first battery and a step-down converter configured to step down an output voltage of the first battery, 
 the mobile object includes a second battery charged by an output of the step-down converter, and 
 the power source control unit and the mobile object control unit are configured to be operable by at least power supplied from the second battery. 
 
     
     
       10. The control system according to  claim 9 , wherein
 the mobile object control unit includes a drive device control unit configured to control a drive device for generating a driving force for driving the mobile object. 
 
     
     
       11. The control system according to  claim 9 , wherein
 the power source control unit includes a battery control unit configured to control the step-down converter, 
 the battery control unit includes the first storage area and the second storage area, and 
 the first control information includes at least control information for controlling the step-down converter. 
 
     
     
       12. The control system according to  claim 11 , wherein
 the power source further includes a cooling device configured to cool at least one of the battery and the step-down converter, 
 the power source control unit further includes a cooling control unit configured to control the cooling device, 
 the cooling control unit includes a first storage area to be updated by the update program and a second storage area not to be updated by the update program, and 
 the cooling control unit includes, in the second storage area of the cooling control unit, first control information for operating the cooling device in a case where the first storage area of the cooling control unit is updated by the update program. 
 
     
     
       13. The control system according to  claim 12 , wherein
 the cooling device includes a refrigerant circuit through which a refrigerant for cooling the power source flows, and a pump for causing the refrigerant to flow in the refrigerant circuit, and 
 the first control information included in the second storage area of the cooling control unit includes at least control information for operating the pump. 
 
     
     
       14. The control system according to  claim 12 , wherein
 the power source further includes a heat dissipation device configured to dissipate heat from the cooling device, 
 the power source control unit further includes a heat dissipation control unit configured to control the heat dissipation device, 
 the heat dissipation control unit includes a first storage area to be updated by the update program and a second storage area not to be updated by the update program, and 
 the heat dissipation control unit includes, in the second storage area of the heat dissipation control unit, first control information for operating the heat dissipation device in a case where the first storage area of the heat dissipation control unit is updated by the update program. 
 
     
     
       15. The control system according to  claim 14 , wherein
 the heat dissipation device includes a fan, 
 the first control information included in the second storage area of the heat dissipation control unit includes at least control information for operating the fan. 
 
     
     
       16. The control system according to  claim 2 , wherein
 the second storage area is configured to store a write program for writing the update program transmitted from the update control unit to the first storage area. 
 
     
     
       17. A mobile object comprising:
 the control system according to  claim 1 . 
 
     
     
       18. The mobile object according to  claim 17 , wherein
 the mobile object is a vehicle. 
 
     
     
       19. A non-transitory computer-readable storage medium storing a program for causing a computer to function as:
 a power source control unit configured to control a power source included in a mobile object; 
 a mobile object control unit configured to control the mobile object; and 
 an update control unit configured to receive an update program of the power source control unit and the mobile object control unit and transmit the update program to one of the power source control unit and the mobile object control unit to be updated by the update program, wherein 
 the power source control unit includes a first storage area to be updated by the update program and a second storage area not to be updated by the update program, and 
 the power source control unit includes, in the second storage area, first control information for causing the power source to supply power in a case where the first storage area is updated by the update program transmitted from the update control unit. 
 
     
     
       20. A control method executed by a control system including a power source control unit for controlling a power source included in a mobile object and a mobile object control unit for controlling the mobile object, the control method comprising:
 receiving an update program of the power source control unit and the mobile object control unit; and 
 transmitting the update program to one of the power source control unit and the mobile object control unit to be updated by the update program, wherein 
 the power source control unit includes a first storage area to be updated by the update program and a second storage area not to be updated by the update program, 
 the power source control unit includes, in the second storage area, first control information for causing the power source to supply power in a case where the first storage area is updated by the update program, and 
 the control method further comprising: supplying power from the power source using the first control information in a case where the first storage area is updated by the update program.